What is rank and marks in gate exam.

As per your score and previous year cutoff the colleges you get in first round are:-

IIT Delhi       Machine Dynamics and Maintenance Engineering Centre       Industrial Tribology and Maintenance Engineering  

IIT Indore     Mechanical Engineering     Production and Industrial Engineering   

IIT Ropar      Mechanical Engineering     Mechanics & Design

IIT Delhi       Instrument Design Development Centre Instrument Technology    

IIT ISM Dhanbad    Mechanical Engineering     Thermal Engineering        

IIT Kharagpur         Ocean Engineering and Naval Architecture        Ocean Engineering and Naval Architecture 

IIT Bombay  Aerospace Engineering      Dynamics and Control      

IIT ISM Dhanbad    Mechanical Engineering     Manufacturing Engineering

You can also use careers360 college predictor to know more about colleges you get as per your score.

https://engineering.careers360.com/gate-college-predictor